How to tell when it's time to rebuild indexes in oracle?

Graham Huels asked a question: How to tell when it's time to rebuild indexes in oracle?
Asked By: Graham Huels
Date created: Thu, Jul 22, 2021 7:03 PM

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Top best answers to the question «How to tell when it's time to rebuild indexes in oracle»

  • Determining if an Index Needs to Be Rebuilt In Oracle, you can get an idea of the current state of the index by using the ANALYZE INDEX VALIDATE STRUCTURE command. Here's some sample output from the INDEX_STATS Table: SQL> ANALYZE INDEX IDX_GAM_ACCT VALIDATE STRUCTURE; Statement processed.

FAQ

Those who are looking for an answer to the question «How to tell when it's time to rebuild indexes in oracle?» often ask the following questions:

💻 When to reorganize and rebuild indexes in the database?

  • Reorganizing an index is always executed online. To achieve availability similar to the reorganize option, you should rebuild indexes online. These values provide a rough guideline for determining the point at which you should switch between ALTER INDEX REORGANIZE and ALTER INDEX REBUILD.

💻 How to find unused indexes in oracle 11g?

When an index is not used by SQL queries with the cost-based optimizer, the unused indexes waste space and cause INSERT statements to run slower. When you issue the alter index <index_name> monitoring usage command, Oracle places an entry in the v$object_usage view so you can see if the index is used.

Question from categories: bitmap index in oracle database oracle database oracle index oracle text

💻 What are the different types of partitioned indexes in oracle?

  • There are two basic types of partitioned index. Local - All index entries in a single partition will correspond to a single table partition (equipartitioned). They are created with the LOCAL keyword and support partition independance. Equipartioning allows oracle to be more efficient whilst devising query plans.

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